Your boiler is currently reporting the operational status of the secondary hot water pump, which is often a normal part of the start-up sequence but can indicate a communication delay if it stays on the screen.

DIY fix possible

Check if the hot water is still running as normal, as this is often an information code rather than a lockout faultSwitch the boiler off and back on at the fused spur switch to refresh the system statusEnsure there is no air trapped in the system by checking that your radiator valves are open